chest pain or a stomach ache because of eating too much (see Molina)
IPAspelling:
eːltsitsikɑlistɬi
Alonso de Molina:
eltzitzicaliztli. lo mesmo es que elpantlatlaliztli. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 29r. col. 1. Thanks to Joe Campbell for providing the transcription.